import re

from rest_framework import serializers

from areas.models import Area, Address


class AreasSerialzier(serializers.ModelSerializer):
    class Meta:
        model = Area
        fields = ('id', 'name')


class AddressSerializers(serializers.ModelSerializer):
    # 显示指明
    city = serializers.StringRelatedField(read_only=True)
    province = serializers.StringRelatedField(read_only=True)
    district = serializers.StringRelatedField(read_only=True)
    city_id = serializers.IntegerField(write_only=True)
    district_id = serializers.IntegerField(write_only=True)
    province_id = serializers.IntegerField(write_only=True)

    class Meta:
        model = Address
        fields = (
            'city_id', 'district_id', 'province_id', 'email', 'mobile', 'place', 'receiver', 'tel', 'title', 'city',
            'province', 'district', 'id')

    # 验证手机号格式
    def validate_mobile(self, value):
        if not re.match(r'^1[3-9]\d{9}$', value):
            raise serializers.ValidationError('手机格式不匹配')

        return value

    def create(self, validated_data):
        user = self.context['request'].user
        validated_data['user'] = user
        address = Address.objects.create(**validated_data)
        return address
